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How to add an image to a JPanel?
...t comes with experience, as one learns each day. Any book can give a basic idea what encapsulation is, but it is how we implement our code that decides how much we adhering to the concept.
– nIcE cOw
Feb 20 '16 at 5:47
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Reorder / reset auto increment primary key
...he ids should then be reassigned in order.
However this is probably a bad idea in most situations. If you have other tables that have foreign keys to this table then it will definitely not work.
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Accessing a Dictionary.Keys Key through a numeric index
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A Dictionary is a Hash Table, so you have no idea the order of insertion!
If you want to know the last inserted key I would suggest extending the Dictionary to include a LastKeyInserted value.
E.g.:
public MyDictionary<K, T> : IDictionary<K, T>
{
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Delete keychain items when an app is uninstalled
... with the disk (by calling synchronize) are lost in that case. It's a good idea to call synchronize after setting the first run key. And yes, NSUserDefaults are cleared when a device is reset (and not restored from backup), and that's fine in this case.
– Amro
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grep a file, but show several surrounding lines?
...sure using it to "advertise" ack (which is a great tool, indeed) is a good idea…
– MonsieurDart
Dec 10 '19 at 14:24
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How to enable mod_rewrite for Apache 2.2
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The ideas here are correct for a UNIX CLI but the commands only work for a Debian based Linux distributions and not a Windows environment of the OP.
– Jason Rikard
Jul 21 '11 at 19:45
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Copy files from one directory into an existing directory
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Copying dir1/.* is not a good idea, as it copies dir1/.. (i.e. the parent of the directory you're actually trying to copy). It also copies dir1/. which is fine, except that it's already (mostly) been copied, so you're doing the work twice.
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How to update a value, given a key in a hashmap?
...ut builtin. I seriously doubt writing your own MutableInteger is a better idea.
– Peter Lawrey
Nov 11 '10 at 18:51
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Converting a string to int in Groovy
...u'd rather add a try/catch block :) but using exceptions for this is a bad idea.
– Andres Kievsky
Nov 12 '11 at 7:45
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How to chain scope queries with OR instead of AND?
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While this looks like a good idea, ARel is not a public API and using this may break your app in unexpected ways, so I'd advise against it unless you pay close attention to the evolution of the ARel API.
– Olivier Lacan
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